CN1900438A - Construction body for repairing underground building cracks and its method - Google Patents
Construction body for repairing underground building cracks and its method Download PDFInfo
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- CN1900438A CN1900438A CN 200610047293 CN200610047293A CN1900438A CN 1900438 A CN1900438 A CN 1900438A CN 200610047293 CN200610047293 CN 200610047293 CN 200610047293 A CN200610047293 A CN 200610047293A CN 1900438 A CN1900438 A CN 1900438A
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Abstract
The disclosed construction body includes rigid water shut-off layer and elastic waterproof layer poured into cracks of underground construction in sequence. The elastic waterproof layer is equivalent to adding a layer of elastomer inside building to make building possible to bear lateral and longitudinal outside force. The reparative building by using the construction body can prevent reparative part or other parts from fracture again so as to rise lifetime of building. Through pouring mode, the invention realizes rigid water shut-off layer and elastic waterproof layer so as to omit pumping and drying operational procedures. Features are: easy of implementation, and saving cost of reparation.
Description
Technical field:
The present invention relates to a kind of constructing body and being used to repair the job practices of constructing body in crack, underground structure of crack, underground structure that be used to repair.
Background technology:
Because the buildings such as pipeline of tunnel or conveying fluid have special length, and the residing geological environment of each section in its length range can not be identical, and each section the uneven phenomenon of sedimentation occurs because of the restriction that is subjected to geological environment, and the inhomogeneous meeting of sedimentation directly causes its crack; Simultaneously, because of building itself is made of reinforcing bar and concrete usually exactly, and steel concrete is a kind of waterproofing materials of rigidity after solidifying, rely on the closely knit waterproof that realizes of himself, but when variation of ambient temperature, its influence of being expanded with heat and contract with cold can change its compactness, and then makes it the crack occur; In addition, the fluctuation of the earth's crust also is another reason in deposits yields crack, underground building.For adjacent two adjacent buildings, usually outside reaching, both grounds are provided with the shrinkage joint of a reservation between the body of wall, and this shrinkage joint can directly influence performances such as the insulation of building and waterproof, simultaneously also can be inhomogeneous because of sedimentation, ambient temperature changes and earth's crust fluctuation makes its fracture, so sealing this shrinkage joint also is the major subjects of repairing building.
In the prior art, a solution of repairing crack, described underground structure is the material leak stopping that is rigidity after employing is solidified, as to adopt high-mark cement be the concrete that major ingredient is made, its blocking method is directly to building tear position perfusion mortar, though this kind leak-stopping technique process is simple relatively, cost is lower, but owing to do not have good affinity between the concrete of new perfusion and the original building crack, even if be added with the Admixture of organic or inorganic in concrete, ambient temperature changes and the influence of earth's crust fluctuation also is easy to rupture once more when it is subjected to.Another kind of solution of the prior art is to adopt the shaping material leak stopping; as adopt polymer membranes, high-polymer modified pitch and petroleum bitumen etc.; though these materials have water resistance and temperature stability preferably; but because the underground structure location of cracks drainage can occur usually; and be the direction seepage from outside to inside; so, can't install with the shaping material leak stopping, under the pressure effect of water, easily break away from simultaneously from the leak stopping position.
For this reason, to be called " underground reinforced concrete pipiline joint waterproofing leaking stoppage restorative procedure " be exactly a solution that proposes at the problems referred to above to the name of No. 1243923, Chinese patent bulletin.This method adopts be by Grouting Pipe to tube head joint filling polyurethane waterproof agent, and the rigid course supervisor is set at inwall.Its meaning is to want by the formed elastic solid (Hookean body) leak stopping of polyurethane water-proof agent.But; owing to the induration tensile strength of soluble polyurethane can reduce along with the increase of watering quantity; and the underground structure location of cracks can produce bigger infiltration usually; so; the method that this patent proposed only is suitable for the shutoff union, and uses this kind waterproof agent to be difficult to block the crack and the shrinkage joint of underground structure merely.
In addition, Chinese patent has also been announced the technology that a kind of name is called " building rigidity soften complex waterproof layer job practices " for No. 1603526.This kind job practices is with water-repellent paint metope repeatedly to be brushed, and uses the brushing of crystalline waterproof coating multilayer with the formation flexible layer to seepage place, and then toward on the metope after the brushing, smearing lean concrete grout and mortar to form rigid layer.This shows, though this kind job practices can solve the problem that flexible layer and rigid layer combine,, the mode of this brushing only is suitable for metope is realized integral waterproofing, and is not suitable for being used to repair the crack or the shrinkage joint of underground structure.
Summary of the invention:
Task of the present invention provides a kind of mode of utilizing rigidity and two kinds of materials of elasticity to combine and repairs the body of constructing at crack, underground structure or shrinkage joint.
Another task of the present invention provides a kind of job practices of constructing body to crack, described reparation underground structure or shrinkage joint.
The body of constructing that is used to repair the crack, underground structure proposed by the invention comprises rigid plug water layer and the elastic waterproof layer that is poured in successively in the crack, underground structure.Wherein, the rigid plug water layer is in the process of repairing the crack, can play the effect of early stage sealing and later stage water blockoff, and elastic waterproof layer can play the effect of back sealing on the one hand, utilize its elasticity to adapt to earth's crust fluctuation on the other hand and expand with heat and contract with cold, and influence that factor brings underground building such as sedimentation is inhomogeneous, in case rupture once more in crack arrest seam or shrinkage joint.
Described water-blocking layer or elastic waterproof layer also are equipped with elasticity typing waterproofing course and/or are coated with concrete cover at the inner surface of elasticity typing waterproofing course at the location of cracks towards underground structure inwall direction.Described elasticity typing waterproofing course is sealing and the elasticity that increases building further.
Be used to repair the job practices of constructing body in crack, underground structure, may further comprise the steps:
At first block with formation and from the crack, spill or the water-blocking layer of water seepage along the direction perfusion mortar of building tear, treat water-blocking layer solidify after again in this crack perfusion elasticity slurries to form elastic waterproof layer.
After the perfusion of described elastic waterproof layer was finished, the external surface that also is included in water-blocking layer was installed elasticity typing waterproofing course and/or is covered the step of concrete cover on the surface of elasticity typing waterproofing course again.
The elastic waterproof layer that body adopts of constructing that is used for repairing the crack, underground structure proposed by the invention is equivalent to increase one deck elastic body in building, make building can carry horizontal and vertical external force, so, can prevent effectively that with this building of constructing the body reparation position that is repaired and other position from rupturing once more, can improve the application life of building; Simultaneously, described rigid plug water layer and elastic waterproof layer can realize by the mode of perfusion, can omit and draw water and operation sequence such as drying, so this restorative procedure is very easily operated, can save rehabilitation cost relatively.
Description of drawings:
Accompanying drawing 1 is the cut-away section structural representation of constructing an embodiment of body that is used to repair the crack, underground structure.
The specific embodiment:
Referring to Fig. 1, this figure provides and is used to the cut-away section structural representation repairing the crack, underground structure and construct body.This is constructed body and comprises rigid plug water layer 1 and elastic waterproof layer 2 and elasticity typing waterproofing course 3, also is coated with concrete cover 4 at the inner surface of elasticity typing waterproofing course 3.Wherein, rigid waterproof layer 1 can be by mortar quick sealing and lower-cost, and the slurry formation as concrete mortar or stiffening ring has certain rigid after it solidifies; Elastic waterproof layer 2 is to be made by the material that solidifies back rubber-like organic matter or organic matter and inorganic matter phase structure, and as adopting aqueous epoxy resins, this elastic waterproof layer 2 has elasticity after solidifying, rupture once more to prevent this crack; Elasticity typing waterproofing course 3 can be made of the plate that rubber or polyurethane rubber or similar material are made, and this elasticity typing waterproofing course 3 can further increase the elasticity of building; Concrete cover 4 is the parts that are used for fixing elasticity typing waterproofing course 3, comes off to prevent its crack from building.
When operation; at first in the raggle of the both sides at building tear position; and the surface of groove cleaned with acetone; then in the crack of building and along the direction perfusion mortar or the epoxy mortar in crack; block with formation and from the crack, to spill or the rigid plug water layer 1 of water seepage; treat rigid plug water layer 1 solidify after priming petock epoxy resin in this crack again; treat just to form elastic waterproof layer 2 after it solidifies; at the external surface of rigid plug water layer 1 elasticity typing waterproofing course 3 is installed again at last, and is covered concrete cover 4 again on the surface of elasticity typing waterproofing course 3 as required.
Utilize above-mentioned same mode also can repair the position of reserving the shrinkage joint or repairing occasion percolating waters such as metope, base plate between adjacent two buildings.
Claims (4)
1, be used to repair the body of constructing in crack, underground structure, it is characterized in that: this is constructed body and comprises rigid plug water layer and the elastic waterproof layer that is poured in successively in the crack, underground structure.
2, the body of constructing according to claim 1 is characterized in that: described water-blocking layer or elastic waterproof layer also are equipped with elasticity typing waterproofing course and/or are coated with concrete cover at the inner surface of elasticity typing waterproofing course at the location of cracks towards underground structure inwall direction.
3, the job practices of constructing body that is used to repair the crack, underground structure according to claim 1 and 2 is characterized in that may further comprise the steps:
At first block with formation and from the crack, spill or the water-blocking layer of water seepage along the direction perfusion mortar of building tear, treat water-blocking layer solidify after again in this crack perfusion elasticity slurries to form elastic waterproof layer.
4, method according to claim 3 is characterized in that: after the perfusion of described elastic waterproof layer was finished, the external surface that also is included in water-blocking layer was installed elasticity typing waterproofing course and/or is covered the step of concrete cover on the surface of elasticity typing waterproofing course again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047293 CN1900438A (en) | 2006-07-25 | 2006-07-25 | Construction body for repairing underground building cracks and its method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610047293 CN1900438A (en) | 2006-07-25 | 2006-07-25 | Construction body for repairing underground building cracks and its method |
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| CN1900438A true CN1900438A (en) | 2007-01-24 |
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| CN 200610047293 Pending CN1900438A (en) | 2006-07-25 | 2006-07-25 | Construction body for repairing underground building cracks and its method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696522A (en) * | 2015-12-31 | 2016-06-22 | 中国葛洲坝集团第六工程有限公司 | Grouting gallery permanent expansion joint water seepage treatment method |
| CN105888691A (en) * | 2016-04-26 | 2016-08-24 | 北京中科嘉固科技有限公司 | Assembling and construction method of tunnel rapid reinforcement technology |
| CN107165198A (en) * | 2017-05-15 | 2017-09-15 | 江阴正邦化学品有限公司 | Underground project waterproof systematical working construction method and waterproof material used |
| CN112177180A (en) * | 2020-09-10 | 2021-01-05 | 斯科瑞新材料科技(山东)股份有限公司 | Waterproof process for settlement and expansion joint of building |
-
2006
- 2006-07-25 CN CN 200610047293 patent/CN1900438A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696522A (en) * | 2015-12-31 | 2016-06-22 | 中国葛洲坝集团第六工程有限公司 | Grouting gallery permanent expansion joint water seepage treatment method |
| CN105888691A (en) * | 2016-04-26 | 2016-08-24 | 北京中科嘉固科技有限公司 | Assembling and construction method of tunnel rapid reinforcement technology |
| CN107165198A (en) * | 2017-05-15 | 2017-09-15 | 江阴正邦化学品有限公司 | Underground project waterproof systematical working construction method and waterproof material used |
| CN112177180A (en) * | 2020-09-10 | 2021-01-05 | 斯科瑞新材料科技(山东)股份有限公司 | Waterproof process for settlement and expansion joint of building |
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Open date: 20070124 |